Pith Number

pith:REPNUQ3Q

pith:2015:REPNUQ3QMXXITFQ66H4ZQWH3NI

not attested not anchored not stored refs pending

Giant scattering cones in obscured quasars

Dominika Wylezalek, Georges Obied, Guilin Liu, Nadia L. Zakamska

arxiv:1512.03817 v1 · 2015-12-11 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{REPNUQ3QMXXITFQ66H4ZQWH3NI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:21:50.966927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

891eda437065ee89961ef1f99858fb6a3ecebb1e0d69d6f85206e81301853501

Aliases

arxiv: 1512.03817 · arxiv_version: 1512.03817v1 · doi: 10.48550/arxiv.1512.03817 · pith_short_12: REPNUQ3QMXXI · pith_short_16: REPNUQ3QMXXITFQ6 · pith_short_8: REPNUQ3Q

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/REPNUQ3QMXXITFQ66H4ZQWH3NI \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 891eda437065ee89961ef1f99858fb6a3ecebb1e0d69d6f85206e81301853501

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bb42d9984d1fc9045ec12259977def1825cf956706938e4ca0ac07ef689f7ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-12-11T21:00:04Z",
    "title_canon_sha256": "d3ecbbc629b78400f52bd15eb9eac549557602ab54b1fb543f329e281c9cb6c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.03817",
    "kind": "arxiv",
    "version": 1
  }
}